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   <div id="projectname">lwIP
   &#160;<span id="projectnumber">2.1.2</span>
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   <div id="projectbrief">Lightweight IP stack</div>
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<div class="header">
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<a href="#define-members">Macros</a>  </div>
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<div class="title">Netconn<div class="ingroups"><a class="el" href="group__lwip.html">lwIP</a> &raquo; <a class="el" href="group__lwip__opts.html">Options (lwipopts.h)</a> &raquo; <a class="el" href="group__lwip__opts__threadsafe__apis.html">Thread-safe APIs</a></div></div>  </div>
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Macros</h2></td></tr>
<tr class="memitem:ga478041b8544461258f6961bf0f3c1a77"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__opts__netconn.html#ga478041b8544461258f6961bf0f3c1a77">LWIP_NETCONN</a>&#160;&#160;&#160;1</td></tr>
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<tr class="memitem:ga1cd8d15a42262a0defaedabed126ea99"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__opts__netconn.html#ga1cd8d15a42262a0defaedabed126ea99">LWIP_TCPIP_TIMEOUT</a>&#160;&#160;&#160;0</td></tr>
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<tr class="memitem:ga2543345adf7d2c307df78a54ac2ba8c4"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__opts__netconn.html#ga2543345adf7d2c307df78a54ac2ba8c4">LWIP_NETCONN_SEM_PER_THREAD</a>&#160;&#160;&#160;0</td></tr>
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<tr class="memitem:ga7bfe8487a3abffdd9d6730977d22c406"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__opts__netconn.html#ga7bfe8487a3abffdd9d6730977d22c406">LWIP_NETCONN_FULLDUPLEX</a>&#160;&#160;&#160;0</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a id="ga478041b8544461258f6961bf0f3c1a77"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga478041b8544461258f6961bf0f3c1a77">&#9670;&nbsp;</a></span>LWIP_NETCONN</h2>

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          <td class="memname">#define LWIP_NETCONN&#160;&#160;&#160;1</td>
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<p>LWIP_NETCONN==1: Enable Netconn API (require to use <a class="el" href="api__lib_8c.html">api_lib.c</a>) </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ga7bfe8487a3abffdd9d6730977d22c406">&#9670;&nbsp;</a></span>LWIP_NETCONN_FULLDUPLEX</h2>

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          <td class="memname">#define LWIP_NETCONN_FULLDUPLEX&#160;&#160;&#160;0</td>
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<p>LWIP_NETCONN_FULLDUPLEX==1: Enable code that allows reading from one thread, writing from a 2nd thread and closing from a 3rd thread at the same time. ATTENTION: This is currently really alpha! Some requirements:</p><ul>
<li>LWIP_NETCONN_SEM_PER_THREAD==1 is required to use one socket/netconn from multiple threads at once</li>
<li><a class="el" href="group__sys__mbox.html#gac641a45812155d2234ef80dd6412882f">sys_mbox_free()</a> has to unblock receive tasks waiting on recvmbox/acceptmbox and prevent a task pending on this during/after deletion </li>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2543345adf7d2c307df78a54ac2ba8c4">&#9670;&nbsp;</a></span>LWIP_NETCONN_SEM_PER_THREAD</h2>

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          <td class="memname">#define LWIP_NETCONN_SEM_PER_THREAD&#160;&#160;&#160;0</td>
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<p>LWIP_NETCONN_SEM_PER_THREAD==1: Use one (thread-local) semaphore per thread calling socket/netconn functions instead of allocating one semaphore per netconn (and per select etc.) ATTENTION: a thread-local semaphore for API calls is needed:</p><ul>
<li>LWIP_NETCONN_THREAD_SEM_GET() returning a sys_sem_t*</li>
<li>LWIP_NETCONN_THREAD_SEM_ALLOC() creating the semaphore</li>
<li>LWIP_NETCONN_THREAD_SEM_FREE() freeing the semaphore The latter 2 can be invoked up by calling netconn_thread_init()/netconn_thread_cleanup(). Ports may call these for threads created with <a class="el" href="group__sys__misc.html#ga0d596afdd8dbcfad320172d39b0f607a">sys_thread_new()</a>. </li>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1cd8d15a42262a0defaedabed126ea99">&#9670;&nbsp;</a></span>LWIP_TCPIP_TIMEOUT</h2>

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          <td class="memname">#define LWIP_TCPIP_TIMEOUT&#160;&#160;&#160;0</td>
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<p>LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout to create timers running in tcpip_thread from another thread. </p>

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